(19)

(11)

EP 2 049 945 A2

(12)

(88) Date of publication A3: 27.03.2008 (43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 07810693.7 (22) Date of filing: 23.07.2007

(51) International Patent Classification (IPC):  G02F 1/361(2006.01) (86) International application number: PCT/US2007/016569 (87) International publication number: WO 2008/013774 (31.01.2008 Gazette 2008/05)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 25.07.2006 US 833429 P (71) Applicant: Nitto Denko Corporation Ibaraki-shi, Osaka 567-8680 (JP)	(72) Inventor: YAMAMOTO, Michiharu Carlsbad, California 92009 (US) (74) Representative: Marshall, Caroline  Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)